A fast breeding method of kiwi grafting seedlings

A technology for grafting seedlings and kiwifruit, which is applied in the field of agriculture and agriculture, can solve the problems of the second seedling raising method, such as low survival rate, long seedling growth time, and only focus on survival rate, so as to achieve early garden formation, early income, and growth Uniformity, the effect of improving the quality of seedlings

Active Publication Date: 2022-08-09
ZHENGZHOU FRUIT RES INST CHINESE ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the first method has a higher survival rate of seedlings, for the establishment of kiwi fruit orchards, the growth of seedlings takes a long time, plus the one-year growth of rootstocks, it takes at least 3 years to complete the gardening operation. Years to form a small amount of production
Although the second method can save one year, it requires a more stringent and refined management plan for the seedlings after grafting, so that the rootstock can take root and the scion can survive. Therefore, this method of seedling breeding has higher technical requirements. It is difficult for ordinary growers to quickly grasp, resulting in the generally low survival rate of the second seedling raising method
[0004] At present, our country has not established a complete and standardized kiwifruit seedling breeding technology system. For the breeding of grafted seedlings, we often only pay attention to the survival rate and ignore other quality indicators such as roughness and whether there is infection by bacteria.

Method used

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  • A fast breeding method of kiwi grafting seedlings
  • A fast breeding method of kiwi grafting seedlings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] In January, the dormant branches of the 4-year-old tree with a thickness of 0.7 cm and an annual semi-lignified wild kiwifruit resource MZ12 were selected as rootstock seedling cuttings. Cut the rootstock seedling cuttings into 20cm long branches with sterilized scissors, keep 2 full bud points on the top, and the distance between the two bud points is 8cm. Before the rootstock seedlings are cut, soak them in glycerin water with a volume concentration of 15% for 10 minutes, cut the lower part of the cuttings into a 40° section, put them in the rooting powder for 5 minutes, and insert them into the peat: perlite: vermiculite volume ratio Rootstock seedlings were raised in a 1:1:1 seedling matrix.

[0072] The branches of Zhongmai No. 2 were selected as scion strips. When the branches of the two bud points on the rootstock seedling cuttings grow to 50cm, cut off the rootstock seedlings and the cuttings at the base of the upper bud point base that the rootstock seedling c...

Embodiment 2

[0077] In February, the dormant branches of the 3-year-old tree with a thickness of 0.6 m and an annual semi-lignified wild kiwifruit resource MZ12 were selected as rootstock seedling cuttings. Cut the rootstock seedling cuttings into 18cm long branches with sterilized scissors, keep 2 full bud points on the top, and the distance between the two bud points is 7cm. Before the rootstock seedlings are cut, soak them in glycerin water with a volume concentration of 12% for 8 minutes, cut the lower part of the cuttings into a 45° cut plane, put them in the rooting powder for 6 minutes, and insert them into the peat: perlite: vermiculite volume ratio Rootstock seedlings were raised in a 1:2:1 seedling matrix.

[0078] The branches of Zhongjin peach cultivar were selected as scion strips. When the branches of the two bud points on the rootstock seedling cuttings grow to 45cm, after cutting off the rootstock seedlings and the cuttings at the base of the upper bud point base that the ...

Embodiment 3

[0082] In December, the dormant branches of the 4-year-old tree with a thickness of 0.8 cm and an annual semi-lignified wild kiwifruit resource MZ12 were selected as rootstock seedling cuttings. Cut the rootstock seedling cuttings into 19cm long branches with sterilized scissors, keep 2 full bud points on the top, and the distance between the two bud points is 10cm. Before the rootstock seedlings are cut, soak them in glycerin water with a volume concentration of 18% for 9 minutes, cut the lower part of the cuttings diagonally into a 50° section, put them in the rooting powder for 4 minutes, and insert them into the peat: perlite: vermiculite volume ratio Rootstock seedlings were raised in a 2:1:1 seedling matrix.

[0083] The branches of Zhongmai No. 2 were selected as scion strips. When the branches of the two bud points on the rootstock seedling cuttings grow to 50cm, cut off the rootstock seedlings and the cuttings at the base of the upper bud point base that the rootstoc...

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Abstract

The invention relates to the technical field of agriculture, in particular to a rapid breeding method for grafted seedlings of kiwifruit. The breeding method of the present invention includes the steps of selection of rootstock seedlings, cultivation of rootstock seedlings, selection of scions, grafting of scions, management of grafted seedlings and the like. The method has the following advantages: 1) it is easy to operate and master; 2) it shortens the breeding time of seedlings, improves the quality of seedlings, and saves management costs; 3) is conducive to cultivating robust seedlings, shortens the period of garden construction, and realizes early benefits of early gardening. The method can also provide reference for the seedling breeding methods of other fruit trees, especially the fruit trees that are bred with seedlings by grafting.

Description

technical field [0001] The invention relates to the technical field of agriculture, in particular to a rapid breeding method for grafted seedlings of kiwifruit. Background technique [0002] my country is the world's largest producer of kiwifruit, ranking first in the world in terms of cultivation area and total output. However, there is still a big gap between my country's kiwifruit industry and New Zealand, Italy, Chile and other industrial powerhouses, which is mainly reflected in the output per unit area. The rate of fruit and commercial fruit is low, and the unit price is also low, resulting in significantly lower benefits per unit area than other countries. However, there is a strong demand for kiwifruit in the domestic consumer market. The number of kiwifruit imported in my country has been maintained at more than 120,000 tons all year round, and it is still increasing every year. The main reason is that the quality of seedlings in the domestic kiwifruit industry is g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G2/30A01G31/00A01G24/28A01G24/15
CPCA01G2/30A01G31/00A01G24/28A01G24/15Y02P60/21
Inventor 钟云鹏方金豹齐秀娟孙雷明李志白丹凤
Owner ZHENGZHOU FRUIT RES INST CHINESE ACADEMY OF AGRI SCI
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